The in-game Marketplace offers opportunities to purchase Queens, Bees, Eggs, and Land from other players. You can also sell your assets if you have a Beemium account.

Access the Marketplace using the main menu

Then tap the Shop icon in the bottom row

Tap Marketplace

Use the menu buttons at the top, the search bar, and/or the filter to narrow down the offerings. 

The prices displayed will depend on your VIP level. Click here for more details.